<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<script>
	function show(a,b)
	{
		alert(this + ' ' + a + ' '+ b);
	}
	
	show(12,5);
	show.call('abc', 12,5);
</script>
</head>

<body>
</body>
</html>
